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specimen surface preparation

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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001832
EISBN: 978-1-62708-181-8
... stripping, organic-solvent cleaning, water-base detergent cleaning, cathodic cleaning, and chemical-etch cleaning. cleaning cracks fractography nondestructive inspection specimen preparation specimen preservation specimen sectioning steel fracture FRACTURE SURFACES are fragile and subject...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
... contamination, the soaking time can vary from 20 min to 4 h, as determined by visual observation of the reaction. After this treatment, parts must be rinsed thoroughly in water and dried. When possible, a test specimen should be immersed for the maximum time anticipated and then examined for chemical attack...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001304
EISBN: 978-1-62708-170-2
... intermediate step to facilitate manufacturing operations, like inspection and assembly To prepare surfaces for subsequent operations such as coating As a final finish, to improve performance, appearance, and salability The cleaning and surface preparation of manufactured components and products are...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001308
EISBN: 978-1-62708-170-2
... specimens failed in 1, 5, 17, and 28 days. Specimens peened in the unstressed condition with cast steel shot lasted 365 and 730 days, when failure occurred in the unpeened grip outside the test area. During exposure to an industrial atmosphere, similar unpeened test bars failed in 20, 37, 120, and 161 days...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001323
EISBN: 978-1-62708-170-2
... adhesion method, knife scribe test, crosshatch adhesion test, and others. Corrosion resistance is typically measured using the salt spray corrosion resistance test, ASTM B117, which is conducted on either unpainted or painted specimens. Examples of the performance of chromate conversion coatings in these...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005685
EISBN: 978-1-62708-198-6
..., and storage. The necessity for proper sample handling to avoid alteration of the surface prior to analysis cannot be overemphasized. Recommendations for sample handling to avoid contamination and damage to specimens for surface analysis are provided in ASTM E1078, “Standard Guide for Specimen...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
..., dry gloves until they are welded. Acid Cleaning Procedure Solution: 95.0 parts H 2 SO 4 , 4.5 parts HNO 3 , 0.05 parts HF, and 18.8 g/L (2.5 oz/gal) Cr 2 O 3 . Temperature 60 °C (140 °F). Immerse specimens for 30 s. Rinse with hot water. Electropolishing Procedures for Cleaning...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
..., further variations in the coating can result from the design of the casting, the distance of the casting from the anode, and the preparation of the surface before plating. This section will review the types of platings applied to cast irons for corrosion or wear resistance. More detailed information on...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001311
EISBN: 978-1-62708-170-2
... oxidation resistance through the use of polishing, buffing, and wire brushing operations. The article also covers a wide range of surface modification and coating processes, including ion implantation, diffusion, chemical and physical vapor deposition, plating, anodizing, and chemical conversion coatings as...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... surface preparation methods and finishing treatments of coated parts. The article also explains the tests to evaluate the coating quality and the effects of coating structures and mechanical properties on coated parts. It concludes with a discussion on the uses of thermal spray coatings. coating...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
... nondestructive evaluation are discussed in greater detail in other sections of this handbook; results are the focus in this section. For example, did the carbon content of a steel specimen align with the measured hardness? Did conductivity fall within the expected range for the hardness for the specified...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001835
EISBN: 978-1-62708-181-8
... general features of ductile and brittle fracture modes. fractography fracture modes scanning electron microscopy specimen preparation THE SCANNING ELECTRON MICROSCOPE has unique capabilities for analyzing surfaces. A beam of electrons moves in an x - y pattern across a conductive specimen...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
... coated surfaces to permit examination at high magnifications. Specimens are cleaned adequately between preparation steps, after preparation, and after etching. Preparation of metallographic specimens generally requires five major operations: sectioning, mounting (optional), grinding, polishing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001298
EISBN: 978-1-62708-170-2
... closest to the specimen surface. Almost all of the measured strain relief is due to the stresses in the material within a depth of about 0.25 times the mean radius of the hole-drilling rosette. Thus, a specimen coated to at least this depth is likely to behave similarly to a homogeneous thick specimen...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
.... The discussion covers the general principles, equipment used, specimen preparation process, calibration conditions, data analysis steps, and examples of the applications and interpretation of TMA. Thermomechanical analysis Thermomechanical analysis (TMA) is a thermal...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009008
EISBN: 978-1-62708-185-6
... Abstract A cylindrical specimen compressed with friction at the die surfaces does not remain cylindrical in shape but becomes bulged or barreled. Tensile stresses associated with the bulging surface make the upset test a candidate for workability testing. This article discusses test-specimen...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... fundamentals of tensile testing of fiber-reinforced composites, this article describes environmental exposures that can occur during specimen preparation and testing. These include exposures during specimen preparation, and planned exposure such as moisture, damage (impact), and thermal cycling. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... photography of fractured parts and surfaces, and describes some of the more common fractographic features revealed by light microscopy, including tensile-fracture surface marks in unnotched specimens, fatigue marks, and structural discontinuities within the metal. The article also explains how to interpret...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006661
EISBN: 978-1-62708-213-6
... Abstract This article focuses on the principles and applications of thermal desorption spectroscopy (TDS) use to study adsorption, desorption, and reaction of adsorbed atoms and molecules on surfaces. The discussion provides information on various components of and specimen preparation...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006639
EISBN: 978-1-62708-213-6
... spectrometer with high resolution. Fig. 11 Splitting of Si 2p line captured by a high-resolution spectrometer. Courtesy of Kratos Analytical Quantitative surface analysis by XPS requires several operations that effect the level of accuracy, including specimen preparation, adjustment to machine...